Merge branch 'for_2.6.36' of git://git.pwsan.com/linux-2.6 into omap-for-linus

11 files changed, 357 insertions, 112 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index a5266fa..63b2d88 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -3,7 +3,7 @@
 #
 
 # Common support
-obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o
+obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o pm.o
 
 omap-2-3-common				= irq.o sdrc.o
 hwmod-common				= omap_hwmod.o \
@@ -15,7 +15,7 @@ clock-common				= clock.o clock_common_data.o \
 
 obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
 obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(hwmod-common)
-obj-$(CONFIG_ARCH_OMAP4) += $(prcm-common)
+obj-$(CONFIG_ARCH_OMAP4) += $(prcm-common) $(hwmod-common)
 
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 41b155a..c226798 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -1408,7 +1408,7 @@ static struct clk ts_fck = {
 
 static struct clk usbtll_fck = {
 	.name		= "usbtll_fck",
-	.ops		= &clkops_omap2_dflt,
+	.ops		= &clkops_omap2_dflt_wait,
 	.parent		= &dpll5_m2_ck,
 	.enable_reg	= OMAP_CM_REGADDR(CORE_MOD, OMAP3430ES2_CM_FCLKEN3),
 	.enable_bit	= OMAP3430ES2_EN_USBTLL_SHIFT,
diff --git a/arch/arm/mach-omap2/cm.c b/arch/arm/mach-omap2/cm.c
index 2d83565..721c3b6 100644
--- a/arch/arm/mach-omap2/cm.c
+++ b/arch/arm/mach-omap2/cm.c
@@ -50,15 +50,15 @@ int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
 
 	cm_idlest_reg = cm_idlest_offs[idlest_id - 1];
 
+	mask = 1 << idlest_shift;
+
 	if (cpu_is_omap24xx())
-		ena = idlest_shift;
+		ena = mask;
 	else if (cpu_is_omap34xx())
 		ena = 0;
 	else
 		BUG();
 
-	mask = 1 << idlest_shift;
-
 	/* XXX should be OMAP2 CM */
 	omap_test_timeout(((cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena),
 			  MAX_MODULE_READY_TIME, i);
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index b12d715..210de9d 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -44,6 +44,7 @@
 
 #include <plat/clockdomain.h>
 #include "clockdomains.h"
+
 #include <plat/omap_hwmod.h>
 
 /*
@@ -315,6 +316,8 @@ static int __init _omap2_init_reprogram_sdrc(void)
 void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 				 struct omap_sdrc_params *sdrc_cs1)
 {
+	u8 skip_setup_idle = 0;
+
 	pwrdm_init(powerdomains_omap);
 	clkdm_init(clockdomains_omap, clkdm_autodeps);
 	if (cpu_is_omap242x())
@@ -338,9 +341,13 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 		pr_err("Could not init clock framework - unknown CPU\n");
 
 	omap_serial_early_init();
+
+#ifndef CONFIG_PM_RUNTIME
+	skip_setup_idle = 1;
+#endif
 	if (cpu_is_omap24xx() || cpu_is_omap34xx())   /* FIXME: OMAP4 */
-		omap_hwmod_late_init();
-	omap_pm_if_init();
+		omap_hwmod_late_init(skip_setup_idle);
+
 	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
 		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
 		_omap2_init_reprogram_sdrc();
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index b7a4133..cb911d7 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1,7 +1,7 @@
 /*
  * omap_hwmod implementation for OMAP2/3/4
  *
- * Copyright (C) 2009 Nokia Corporation
+ * Copyright (C) 2009-2010 Nokia Corporation
  *
  * Paul Walmsley, Benoît Cousson, Kevin Hilman
  *
@@ -423,7 +423,7 @@ static int _init_main_clk(struct omap_hwmod *oh)
 }
 
 /**
- * _init_interface_clk - get a struct clk * for the the hwmod's interface clks
+ * _init_interface_clks - get a struct clk * for the the hwmod's interface clks
  * @oh: struct omap_hwmod *
  *
  * Called from _init_clocks().  Populates the @oh OCP slave interface
@@ -764,6 +764,7 @@ static struct omap_hwmod *_lookup(const char *name)
 /**
  * _init_clocks - clk_get() all clocks associated with this hwmod
  * @oh: struct omap_hwmod *
+ * @data: not used; pass NULL
  *
  * Called by omap_hwmod_late_init() (after omap2_clk_init()).
  * Resolves all clock names embedded in the hwmod.  Must be called
@@ -771,7 +772,7 @@ static struct omap_hwmod *_lookup(const char *name)
  * has not yet been registered or if the clocks have already been
  * initialized, 0 on success, or a non-zero error on failure.
  */
-static int _init_clocks(struct omap_hwmod *oh)
+static int _init_clocks(struct omap_hwmod *oh, void *data)
 {
 	int ret = 0;
 
@@ -886,7 +887,7 @@ static int _reset(struct omap_hwmod *oh)
 }
 
 /**
- * _enable - enable an omap_hwmod
+ * _omap_hwmod_enable - enable an omap_hwmod
  * @oh: struct omap_hwmod *
  *
  * Enables an omap_hwmod @oh such that the MPU can access the hwmod's
@@ -894,7 +895,7 @@ static int _reset(struct omap_hwmod *oh)
  * Returns -EINVAL if the hwmod is in the wrong state or passes along
  * the return value of _wait_target_ready().
  */
-static int _enable(struct omap_hwmod *oh)
+int _omap_hwmod_enable(struct omap_hwmod *oh)
 {
 	int r;
 
@@ -939,7 +940,7 @@ static int _enable(struct omap_hwmod *oh)
  * no further work.  Returns -EINVAL if the hwmod is in the wrong
  * state or returns 0.
  */
-static int _idle(struct omap_hwmod *oh)
+int _omap_hwmod_idle(struct omap_hwmod *oh)
 {
 	if (oh->_state != _HWMOD_STATE_ENABLED) {
 		WARN(1, "omap_hwmod: %s: idle state can only be entered from "
@@ -996,19 +997,25 @@ static int _shutdown(struct omap_hwmod *oh)
 /**
  * _setup - do initial configuration of omap_hwmod
  * @oh: struct omap_hwmod *
+ * @skip_setup_idle_p: do not idle hwmods at the end of the fn if 1
  *
  * Writes the CLOCKACTIVITY bits @clockact to the hwmod @oh
- * OCP_SYSCONFIG register.  Must be called with omap_hwmod_mutex
- * held.  Returns -EINVAL if the hwmod is in the wrong state or returns
- * 0.
+ * OCP_SYSCONFIG register.  Must be called with omap_hwmod_mutex held.
+ * @skip_setup_idle is intended to be used on a system that will not
+ * call omap_hwmod_enable() to enable devices (e.g., a system without
+ * PM runtime).  Returns -EINVAL if the hwmod is in the wrong state or
+ * returns 0.
  */
-static int _setup(struct omap_hwmod *oh)
+static int _setup(struct omap_hwmod *oh, void *data)
 {
 	int i, r;
+	u8 skip_setup_idle;
 
-	if (!oh)
+	if (!oh || !data)
 		return -EINVAL;
 
+	skip_setup_idle = *(u8 *)data;
+
 	/* Set iclk autoidle mode */
 	if (oh->slaves_cnt > 0) {
 		for (i = 0; i < oh->slaves_cnt; i++) {
@@ -1029,7 +1036,7 @@ static int _setup(struct omap_hwmod *oh)
 
 	oh->_state = _HWMOD_STATE_INITIALIZED;
 
-	r = _enable(oh);
+	r = _omap_hwmod_enable(oh);
 	if (r) {
 		pr_warning("omap_hwmod: %s: cannot be enabled (%d)\n",
 			   oh->name, oh->_state);
@@ -1041,7 +1048,7 @@ static int _setup(struct omap_hwmod *oh)
 		 * XXX Do the OCP_SYSCONFIG bits need to be
 		 * reprogrammed after a reset?  If not, then this can
 		 * be removed.  If they do, then probably the
-		 * _enable() function should be split to avoid the
+		 * _omap_hwmod_enable() function should be split to avoid the
 		 * rewrite of the OCP_SYSCONFIG register.
 		 */
 		if (oh->class->sysc) {
@@ -1050,8 +1057,8 @@ static int _setup(struct omap_hwmod *oh)
 		}
 	}
 
-	if (!(oh->flags & HWMOD_INIT_NO_IDLE))
-		_idle(oh);
+	if (!(oh->flags & HWMOD_INIT_NO_IDLE) && !skip_setup_idle)
+		_omap_hwmod_idle(oh);
 
 	return 0;
 }
@@ -1062,14 +1069,29 @@ static int _setup(struct omap_hwmod *oh)
 
 u32 omap_hwmod_readl(struct omap_hwmod *oh, u16 reg_offs)
 {
-	return __raw_readl(oh->_rt_va + reg_offs);
+	return __raw_readl(oh->_mpu_rt_va + reg_offs);
 }
 
 void omap_hwmod_writel(u32 v, struct omap_hwmod *oh, u16 reg_offs)
 {
-	__raw_writel(v, oh->_rt_va + reg_offs);
+	__raw_writel(v, oh->_mpu_rt_va + reg_offs);
 }
 
+/**
+ * omap_hwmod_set_slave_idlemode - set the hwmod's OCP slave idlemode
+ * @oh: struct omap_hwmod *
+ * @idlemode: SIDLEMODE field bits (shifted to bit 0)
+ *
+ * Sets the IP block's OCP slave idlemode in hardware, and updates our
+ * local copy.  Intended to be used by drivers that have some erratum
+ * that requires direct manipulation of the SIDLEMODE bits.  Returns
+ * -EINVAL if @oh is null, or passes along the return value from
+ * _set_slave_idlemode().
+ *
+ * XXX Does this function have any current users?  If not, we should
+ * remove it; it is better to let the rest of the hwmod code handle this.
+ * Any users of this function should be scrutinized carefully.
+ */
 int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode)
 {
 	u32 v;
@@ -1124,7 +1146,7 @@ int omap_hwmod_register(struct omap_hwmod *oh)
 	ms_id = _find_mpu_port_index(oh);
 	if (!IS_ERR_VALUE(ms_id)) {
 		oh->_mpu_port_index = ms_id;
-		oh->_rt_va = _find_mpu_rt_base(oh, oh->_mpu_port_index);
+		oh->_mpu_rt_va = _find_mpu_rt_base(oh, oh->_mpu_port_index);
 	} else {
 		oh->_int_flags |= _HWMOD_NO_MPU_PORT;
 	}
@@ -1164,6 +1186,7 @@ struct omap_hwmod *omap_hwmod_lookup(const char *name)
 /**
  * omap_hwmod_for_each - call function for each registered omap_hwmod
  * @fn: pointer to a callback function
+ * @data: void * data to pass to callback function
  *
  * Call @fn for each registered omap_hwmod, passing @data to each
  * function.  @fn must return 0 for success or any other value for
@@ -1172,7 +1195,8 @@ struct omap_hwmod *omap_hwmod_lookup(const char *name)
  * caller of omap_hwmod_for_each().  @fn is called with
  * omap_hwmod_for_each() held.
  */
-int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh))
+int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data),
+			void *data)
 {
 	struct omap_hwmod *temp_oh;
 	int ret;
@@ -1182,7 +1206,7 @@ int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh))
 
 	mutex_lock(&omap_hwmod_mutex);
 	list_for_each_entry(temp_oh, &omap_hwmod_list, node) {
-		ret = (*fn)(temp_oh);
+		ret = (*fn)(temp_oh, data);
 		if (ret)
 			break;
 	}
@@ -1229,24 +1253,28 @@ int omap_hwmod_init(struct omap_hwmod **ohs)
 
 /**
  * omap_hwmod_late_init - do some post-clock framework initialization
+ * @skip_setup_idle: if 1, do not idle hwmods in _setup()
  *
  * Must be called after omap2_clk_init().  Resolves the struct clk names
  * to struct clk pointers for each registered omap_hwmod.  Also calls
  * _setup() on each hwmod.  Returns 0.
  */
-int omap_hwmod_late_init(void)
+int omap_hwmod_late_init(u8 skip_setup_idle)
 {
 	int r;
 
 	/* XXX check return value */
-	r = omap_hwmod_for_each(_init_clocks);
+	r = omap_hwmod_for_each(_init_clocks, NULL);
 	WARN(r, "omap_hwmod: omap_hwmod_late_init(): _init_clocks failed\n");
 
 	mpu_oh = omap_hwmod_lookup(MPU_INITIATOR_NAME);
 	WARN(!mpu_oh, "omap_hwmod: could not find MPU initiator hwmod %s\n",
 	     MPU_INITIATOR_NAME);
 
-	omap_hwmod_for_each(_setup);
+	if (skip_setup_idle)
+		pr_debug("omap_hwmod: will leave hwmods enabled during setup\n");
+
+	omap_hwmod_for_each(_setup, &skip_setup_idle);
 
 	return 0;
 }
@@ -1270,7 +1298,7 @@ int omap_hwmod_unregister(struct omap_hwmod *oh)
 	pr_debug("omap_hwmod: %s: unregistering\n", oh->name);
 
 	mutex_lock(&omap_hwmod_mutex);
-	iounmap(oh->_rt_va);
+	iounmap(oh->_mpu_rt_va);
 	list_del(&oh->node);
 	mutex_unlock(&omap_hwmod_mutex);
 
@@ -1292,12 +1320,13 @@ int omap_hwmod_enable(struct omap_hwmod *oh)
 		return -EINVAL;
 
 	mutex_lock(&omap_hwmod_mutex);
-	r = _enable(oh);
+	r = _omap_hwmod_enable(oh);
 	mutex_unlock(&omap_hwmod_mutex);
 
 	return r;
 }
 
+
 /**
  * omap_hwmod_idle - idle an omap_hwmod
  * @oh: struct omap_hwmod *
@@ -1311,7 +1340,7 @@ int omap_hwmod_idle(struct omap_hwmod *oh)
 		return -EINVAL;
 
 	mutex_lock(&omap_hwmod_mutex);
-	_idle(oh);
+	_omap_hwmod_idle(oh);
 	mutex_unlock(&omap_hwmod_mutex);
 
 	return 0;
@@ -1413,7 +1442,7 @@ int omap_hwmod_reset(struct omap_hwmod *oh)
 	mutex_lock(&omap_hwmod_mutex);
 	r = _reset(oh);
 	if (!r)
-		r = _enable(oh);
+		r = _omap_hwmod_enable(oh);
 	mutex_unlock(&omap_hwmod_mutex);
 
 	return r;
@@ -1530,6 +1559,29 @@ struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
 }
 
 /**
+ * omap_hwmod_get_mpu_rt_va - return the module's base address (for the MPU)
+ * @oh: struct omap_hwmod *
+ *
+ * Returns the virtual address corresponding to the beginning of the
+ * module's register target, in the address range that is intended to
+ * be used by the MPU.  Returns the virtual address upon success or NULL
+ * upon error.
+ */
+void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh)
+{
+	if (!oh)
+		return NULL;
+
+	if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
+		return NULL;
+
+	if (oh->_state == _HWMOD_STATE_UNKNOWN)
+		return NULL;
+
+	return oh->_mpu_rt_va;
+}
+
+/**
  * omap_hwmod_add_initiator_dep - add sleepdep from @init_oh to @oh
  * @oh: struct omap_hwmod *
  * @init_oh: struct omap_hwmod * (initiator)
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index e5530c5..3cc768e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -30,42 +30,44 @@
  */
 
 static struct omap_hwmod omap2420_mpu_hwmod;
-static struct omap_hwmod omap2420_l3_hwmod;
+static struct omap_hwmod omap2420_iva_hwmod;
+static struct omap_hwmod omap2420_l3_main_hwmod;
 static struct omap_hwmod omap2420_l4_core_hwmod;
 
 /* L3 -> L4_CORE interface */
-static struct omap_hwmod_ocp_if omap2420_l3__l4_core = {
-	.master	= &omap2420_l3_hwmod,
+static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = {
+	.master	= &omap2420_l3_main_hwmod,
 	.slave	= &omap2420_l4_core_hwmod,
 	.user	= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
 /* MPU -> L3 interface */
-static struct omap_hwmod_ocp_if omap2420_mpu__l3 = {
+static struct omap_hwmod_ocp_if omap2420_mpu__l3_main = {
 	.master = &omap2420_mpu_hwmod,
-	.slave	= &omap2420_l3_hwmod,
+	.slave	= &omap2420_l3_main_hwmod,
 	.user	= OCP_USER_MPU,
 };
 
 /* Slave interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap2420_l3_slaves[] = {
-	&omap2420_mpu__l3,
+static struct omap_hwmod_ocp_if *omap2420_l3_main_slaves[] = {
+	&omap2420_mpu__l3_main,
 };
 
 /* Master interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap2420_l3_masters[] = {
-	&omap2420_l3__l4_core,
+static struct omap_hwmod_ocp_if *omap2420_l3_main_masters[] = {
+	&omap2420_l3_main__l4_core,
 };
 
 /* L3 */
-static struct omap_hwmod omap2420_l3_hwmod = {
-	.name		= "l3_hwmod",
+static struct omap_hwmod omap2420_l3_main_hwmod = {
+	.name		= "l3_main",
 	.class		= &l3_hwmod_class,
-	.masters	= omap2420_l3_masters,
-	.masters_cnt	= ARRAY_SIZE(omap2420_l3_masters),
-	.slaves		= omap2420_l3_slaves,
-	.slaves_cnt	= ARRAY_SIZE(omap2420_l3_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+	.masters	= omap2420_l3_main_masters,
+	.masters_cnt	= ARRAY_SIZE(omap2420_l3_main_masters),
+	.slaves		= omap2420_l3_main_slaves,
+	.slaves_cnt	= ARRAY_SIZE(omap2420_l3_main_slaves),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 static struct omap_hwmod omap2420_l4_wkup_hwmod;
@@ -79,7 +81,7 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = {
 
 /* Slave interfaces on the L4_CORE interconnect */
 static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = {
-	&omap2420_l3__l4_core,
+	&omap2420_l3_main__l4_core,
 };
 
 /* Master interfaces on the L4_CORE interconnect */
@@ -89,13 +91,14 @@ static struct omap_hwmod_ocp_if *omap2420_l4_core_masters[] = {
 
 /* L4 CORE */
 static struct omap_hwmod omap2420_l4_core_hwmod = {
-	.name		= "l4_core_hwmod",
+	.name		= "l4_core",
 	.class		= &l4_hwmod_class,
 	.masters	= omap2420_l4_core_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2420_l4_core_masters),
 	.slaves		= omap2420_l4_core_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2420_l4_core_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Slave interfaces on the L4_WKUP interconnect */
@@ -109,18 +112,19 @@ static struct omap_hwmod_ocp_if *omap2420_l4_wkup_masters[] = {
 
 /* L4 WKUP */
 static struct omap_hwmod omap2420_l4_wkup_hwmod = {
-	.name		= "l4_wkup_hwmod",
+	.name		= "l4_wkup",
 	.class		= &l4_hwmod_class,
 	.masters	= omap2420_l4_wkup_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2420_l4_wkup_masters),
 	.slaves		= omap2420_l4_wkup_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2420_l4_wkup_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Master interfaces on the MPU device */
 static struct omap_hwmod_ocp_if *omap2420_mpu_masters[] = {
-	&omap2420_mpu__l3,
+	&omap2420_mpu__l3_main,
 };
 
 /* MPU */
@@ -133,11 +137,40 @@ static struct omap_hwmod omap2420_mpu_hwmod = {
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
 };
 
+/*
+ * IVA1 interface data
+ */
+
+/* IVA <- L3 interface */
+static struct omap_hwmod_ocp_if omap2420_l3__iva = {
+	.master		= &omap2420_l3_main_hwmod,
+	.slave		= &omap2420_iva_hwmod,
+	.clk		= "iva1_ifck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+static struct omap_hwmod_ocp_if *omap2420_iva_masters[] = {
+	&omap2420_l3__iva,
+};
+
+/*
+ * IVA2 (IVA2)
+ */
+
+static struct omap_hwmod omap2420_iva_hwmod = {
+	.name		= "iva",
+	.class		= &iva_hwmod_class,
+	.masters	= omap2420_iva_masters,
+	.masters_cnt	= ARRAY_SIZE(omap2420_iva_masters),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2420)
+};
+
 static __initdata struct omap_hwmod *omap2420_hwmods[] = {
-	&omap2420_l3_hwmod,
+	&omap2420_l3_main_hwmod,
 	&omap2420_l4_core_hwmod,
 	&omap2420_l4_wkup_hwmod,
 	&omap2420_mpu_hwmod,
+	&omap2420_iva_hwmod,
 	NULL,
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 0852d95..4526628 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -30,47 +30,47 @@
  */
 
 static struct omap_hwmod omap2430_mpu_hwmod;
-static struct omap_hwmod omap2430_l3_hwmod;
+static struct omap_hwmod omap2430_iva_hwmod;
+static struct omap_hwmod omap2430_l3_main_hwmod;
 static struct omap_hwmod omap2430_l4_core_hwmod;
 
 /* L3 -> L4_CORE interface */
-static struct omap_hwmod_ocp_if omap2430_l3__l4_core = {
-	.master	= &omap2430_l3_hwmod,
+static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = {
+	.master	= &omap2430_l3_main_hwmod,
 	.slave	= &omap2430_l4_core_hwmod,
 	.user	= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
 /* MPU -> L3 interface */
-static struct omap_hwmod_ocp_if omap2430_mpu__l3 = {
+static struct omap_hwmod_ocp_if omap2430_mpu__l3_main = {
 	.master = &omap2430_mpu_hwmod,
-	.slave	= &omap2430_l3_hwmod,
+	.slave	= &omap2430_l3_main_hwmod,
 	.user	= OCP_USER_MPU,
 };
 
 /* Slave interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap2430_l3_slaves[] = {
-	&omap2430_mpu__l3,
+static struct omap_hwmod_ocp_if *omap2430_l3_main_slaves[] = {
+	&omap2430_mpu__l3_main,
 };
 
 /* Master interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap2430_l3_masters[] = {
-	&omap2430_l3__l4_core,
+static struct omap_hwmod_ocp_if *omap2430_l3_main_masters[] = {
+	&omap2430_l3_main__l4_core,
 };
 
 /* L3 */
-static struct omap_hwmod omap2430_l3_hwmod = {
-	.name		= "l3_hwmod",
+static struct omap_hwmod omap2430_l3_main_hwmod = {
+	.name		= "l3_main",
 	.class		= &l3_hwmod_class,
-	.masters	= omap2430_l3_masters,
-	.masters_cnt	= ARRAY_SIZE(omap2430_l3_masters),
-	.slaves		= omap2430_l3_slaves,
-	.slaves_cnt	= ARRAY_SIZE(omap2430_l3_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+	.masters	= omap2430_l3_main_masters,
+	.masters_cnt	= ARRAY_SIZE(omap2430_l3_main_masters),
+	.slaves		= omap2430_l3_main_slaves,
+	.slaves_cnt	= ARRAY_SIZE(omap2430_l3_main_slaves),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 static struct omap_hwmod omap2430_l4_wkup_hwmod;
-static struct omap_hwmod omap2430_mmc1_hwmod;
-static struct omap_hwmod omap2430_mmc2_hwmod;
 
 /* L4_CORE -> L4_WKUP interface */
 static struct omap_hwmod_ocp_if omap2430_l4_core__l4_wkup = {
@@ -81,7 +81,7 @@ static struct omap_hwmod_ocp_if omap2430_l4_core__l4_wkup = {
 
 /* Slave interfaces on the L4_CORE interconnect */
 static struct omap_hwmod_ocp_if *omap2430_l4_core_slaves[] = {
-	&omap2430_l3__l4_core,
+	&omap2430_l3_main__l4_core,
 };
 
 /* Master interfaces on the L4_CORE interconnect */
@@ -91,13 +91,14 @@ static struct omap_hwmod_ocp_if *omap2430_l4_core_masters[] = {
 
 /* L4 CORE */
 static struct omap_hwmod omap2430_l4_core_hwmod = {
-	.name		= "l4_core_hwmod",
+	.name		= "l4_core",
 	.class		= &l4_hwmod_class,
 	.masters	= omap2430_l4_core_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2430_l4_core_masters),
 	.slaves		= omap2430_l4_core_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2430_l4_core_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Slave interfaces on the L4_WKUP interconnect */
@@ -111,18 +112,19 @@ static struct omap_hwmod_ocp_if *omap2430_l4_wkup_masters[] = {
 
 /* L4 WKUP */
 static struct omap_hwmod omap2430_l4_wkup_hwmod = {
-	.name		= "l4_wkup_hwmod",
+	.name		= "l4_wkup",
 	.class		= &l4_hwmod_class,
 	.masters	= omap2430_l4_wkup_masters,
 	.masters_cnt	= ARRAY_SIZE(omap2430_l4_wkup_masters),
 	.slaves		= omap2430_l4_wkup_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap2430_l4_wkup_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Master interfaces on the MPU device */
 static struct omap_hwmod_ocp_if *omap2430_mpu_masters[] = {
-	&omap2430_mpu__l3,
+	&omap2430_mpu__l3_main,
 };
 
 /* MPU */
@@ -135,11 +137,40 @@ static struct omap_hwmod omap2430_mpu_hwmod = {
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
 };
 
+/*
+ * IVA2_1 interface data
+ */
+
+/* IVA2 <- L3 interface */
+static struct omap_hwmod_ocp_if omap2430_l3__iva = {
+	.master		= &omap2430_l3_main_hwmod,
+	.slave		= &omap2430_iva_hwmod,
+	.clk		= "dsp_fck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+static struct omap_hwmod_ocp_if *omap2430_iva_masters[] = {
+	&omap2430_l3__iva,
+};
+
+/*
+ * IVA2 (IVA2)
+ */
+
+static struct omap_hwmod omap2430_iva_hwmod = {
+	.name		= "iva",
+	.class		= &iva_hwmod_class,
+	.masters	= omap2430_iva_masters,
+	.masters_cnt	= ARRAY_SIZE(omap2430_iva_masters),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP2430)
+};
+
 static __initdata struct omap_hwmod *omap2430_hwmods[] = {
-	&omap2430_l3_hwmod,
+	&omap2430_l3_main_hwmod,
 	&omap2430_l4_core_hwmod,
 	&omap2430_l4_wkup_hwmod,
 	&omap2430_mpu_hwmod,
+	&omap2430_iva_hwmod,
 	NULL,
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 39b0c0e..5d8eb58 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -32,51 +32,53 @@
  */
 
 static struct omap_hwmod omap3xxx_mpu_hwmod;
-static struct omap_hwmod omap3xxx_l3_hwmod;
+static struct omap_hwmod omap3xxx_iva_hwmod;
+static struct omap_hwmod omap3xxx_l3_main_hwmod;
 static struct omap_hwmod omap3xxx_l4_core_hwmod;
 static struct omap_hwmod omap3xxx_l4_per_hwmod;
 
 /* L3 -> L4_CORE interface */
-static struct omap_hwmod_ocp_if omap3xxx_l3__l4_core = {
-	.master	= &omap3xxx_l3_hwmod,
+static struct omap_hwmod_ocp_if omap3xxx_l3_main__l4_core = {
+	.master	= &omap3xxx_l3_main_hwmod,
 	.slave	= &omap3xxx_l4_core_hwmod,
 	.user	= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
 /* L3 -> L4_PER interface */
-static struct omap_hwmod_ocp_if omap3xxx_l3__l4_per = {
-	.master = &omap3xxx_l3_hwmod,
+static struct omap_hwmod_ocp_if omap3xxx_l3_main__l4_per = {
+	.master = &omap3xxx_l3_main_hwmod,
 	.slave	= &omap3xxx_l4_per_hwmod,
 	.user	= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
 /* MPU -> L3 interface */
-static struct omap_hwmod_ocp_if omap3xxx_mpu__l3 = {
+static struct omap_hwmod_ocp_if omap3xxx_mpu__l3_main = {
 	.master = &omap3xxx_mpu_hwmod,
-	.slave	= &omap3xxx_l3_hwmod,
+	.slave	= &omap3xxx_l3_main_hwmod,
 	.user	= OCP_USER_MPU,
 };
 
 /* Slave interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap3xxx_l3_slaves[] = {
-	&omap3xxx_mpu__l3,
+static struct omap_hwmod_ocp_if *omap3xxx_l3_main_slaves[] = {
+	&omap3xxx_mpu__l3_main,
 };
 
 /* Master interfaces on the L3 interconnect */
-static struct omap_hwmod_ocp_if *omap3xxx_l3_masters[] = {
-	&omap3xxx_l3__l4_core,
-	&omap3xxx_l3__l4_per,
+static struct omap_hwmod_ocp_if *omap3xxx_l3_main_masters[] = {
+	&omap3xxx_l3_main__l4_core,
+	&omap3xxx_l3_main__l4_per,
 };
 
 /* L3 */
-static struct omap_hwmod omap3xxx_l3_hwmod = {
-	.name		= "l3_hwmod",
+static struct omap_hwmod omap3xxx_l3_main_hwmod = {
+	.name		= "l3_main",
 	.class		= &l3_hwmod_class,
-	.masters	= omap3xxx_l3_masters,
-	.masters_cnt	= ARRAY_SIZE(omap3xxx_l3_masters),
-	.slaves		= omap3xxx_l3_slaves,
-	.slaves_cnt	= ARRAY_SIZE(omap3xxx_l3_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+	.masters	= omap3xxx_l3_main_masters,
+	.masters_cnt	= ARRAY_SIZE(omap3xxx_l3_main_masters),
+	.slaves		= omap3xxx_l3_main_slaves,
+	.slaves_cnt	= ARRAY_SIZE(omap3xxx_l3_main_slaves),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 static struct omap_hwmod omap3xxx_l4_wkup_hwmod;
@@ -90,7 +92,7 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__l4_wkup = {
 
 /* Slave interfaces on the L4_CORE interconnect */
 static struct omap_hwmod_ocp_if *omap3xxx_l4_core_slaves[] = {
-	&omap3xxx_l3__l4_core,
+	&omap3xxx_l3_main__l4_core,
 };
 
 /* Master interfaces on the L4_CORE interconnect */
@@ -100,18 +102,19 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_core_masters[] = {
 
 /* L4 CORE */
 static struct omap_hwmod omap3xxx_l4_core_hwmod = {
-	.name		= "l4_core_hwmod",
+	.name		= "l4_core",
 	.class		= &l4_hwmod_class,
 	.masters	= omap3xxx_l4_core_masters,
 	.masters_cnt	= ARRAY_SIZE(omap3xxx_l4_core_masters),
 	.slaves		= omap3xxx_l4_core_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_l4_core_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Slave interfaces on the L4_PER interconnect */
 static struct omap_hwmod_ocp_if *omap3xxx_l4_per_slaves[] = {
-	&omap3xxx_l3__l4_per,
+	&omap3xxx_l3_main__l4_per,
 };
 
 /* Master interfaces on the L4_PER interconnect */
@@ -120,13 +123,14 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_per_masters[] = {
 
 /* L4 PER */
 static struct omap_hwmod omap3xxx_l4_per_hwmod = {
-	.name		= "l4_per_hwmod",
+	.name		= "l4_per",
 	.class		= &l4_hwmod_class,
 	.masters	= omap3xxx_l4_per_masters,
 	.masters_cnt	= ARRAY_SIZE(omap3xxx_l4_per_masters),
 	.slaves		= omap3xxx_l4_per_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_l4_per_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Slave interfaces on the L4_WKUP interconnect */
@@ -140,18 +144,19 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_wkup_masters[] = {
 
 /* L4 WKUP */
 static struct omap_hwmod omap3xxx_l4_wkup_hwmod = {
-	.name		= "l4_wkup_hwmod",
+	.name		= "l4_wkup",
 	.class		= &l4_hwmod_class,
 	.masters	= omap3xxx_l4_wkup_masters,
 	.masters_cnt	= ARRAY_SIZE(omap3xxx_l4_wkup_masters),
 	.slaves		= omap3xxx_l4_wkup_slaves,
 	.slaves_cnt	= ARRAY_SIZE(omap3xxx_l4_wkup_slaves),
-	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
+	.flags		= HWMOD_NO_IDLEST,
 };
 
 /* Master interfaces on the MPU device */
 static struct omap_hwmod_ocp_if *omap3xxx_mpu_masters[] = {
-	&omap3xxx_mpu__l3,
+	&omap3xxx_mpu__l3_main,
 };
 
 /* MPU */
@@ -164,12 +169,41 @@ static struct omap_hwmod omap3xxx_mpu_hwmod = {
 	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
 };
 
+/*
+ * IVA2_2 interface data
+ */
+
+/* IVA2 <- L3 interface */
+static struct omap_hwmod_ocp_if omap3xxx_l3__iva = {
+	.master		= &omap3xxx_l3_main_hwmod,
+	.slave		= &omap3xxx_iva_hwmod,
+	.clk		= "iva2_ck",
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+static struct omap_hwmod_ocp_if *omap3xxx_iva_masters[] = {
+	&omap3xxx_l3__iva,
+};
+
+/*
+ * IVA2 (IVA2)
+ */
+
+static struct omap_hwmod omap3xxx_iva_hwmod = {
+	.name		= "iva",
+	.class		= &iva_hwmod_class,
+	.masters	= omap3xxx_iva_masters,
+	.masters_cnt	= ARRAY_SIZE(omap3xxx_iva_masters),
+	.omap_chip	= OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
+};
+
 static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
-	&omap3xxx_l3_hwmod,
+	&omap3xxx_l3_main_hwmod,
 	&omap3xxx_l4_core_hwmod,
 	&omap3xxx_l4_per_hwmod,
 	&omap3xxx_l4_wkup_hwmod,
 	&omap3xxx_mpu_hwmod,
+	&omap3xxx_iva_hwmod,
 	NULL,
 };
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.c b/arch/arm/mach-omap2/omap_hwmod_common_data.c
index 1e80b91..08a1342 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.c
@@ -66,3 +66,6 @@ struct omap_hwmod_class mpu_hwmod_class = {
 	.name = "mpu"
 };
 
+struct omap_hwmod_class iva_hwmod_class = {
+	.name = "iva"
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h
index 3645a28..c34e98b 100644
--- a/arch/arm/mach-omap2/omap_hwmod_common_data.h
+++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h
@@ -20,5 +20,6 @@
 extern struct omap_hwmod_class l3_hwmod_class;
 extern struct omap_hwmod_class l4_hwmod_class;
 extern struct omap_hwmod_class mpu_hwmod_class;
+extern struct omap_hwmod_class iva_hwmod_class;
 
 #endif
diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c
new file mode 100644
index 0000000..68f9f2e
--- /dev/null
+++ b/arch/arm/mach-omap2/pm.c
@@ -0,0 +1,84 @@
+/*
+ * pm.c - Common OMAP2+ power management-related code
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include <plat/omap-pm.h>
+#include <plat/omap_device.h>
+#include <plat/common.h>
+
+static struct omap_device_pm_latency *pm_lats;
+
+static struct device *mpu_dev;
+static struct device *dsp_dev;
+static struct device *l3_dev;
+
+struct device *omap2_get_mpuss_device(void)
+{
+	WARN_ON_ONCE(!mpu_dev);
+	return mpu_dev;
+}
+
+struct device *omap2_get_dsp_device(void)
+{
+	WARN_ON_ONCE(!dsp_dev);
+	return dsp_dev;
+}
+
+struct device *omap2_get_l3_device(void)
+{
+	WARN_ON_ONCE(!l3_dev);
+	return l3_dev;
+}
+
+/* static int _init_omap_device(struct omap_hwmod *oh, void *user) */
+static int _init_omap_device(char *name, struct device **new_dev)
+{
+	struct omap_hwmod *oh;
+	struct omap_device *od;
+
+	oh = omap_hwmod_lookup(name);
+	if (WARN(!oh, "%s: could not find omap_hwmod for %s\n",
+		 __func__, name))
+		return -ENODEV;
+
+	od = omap_device_build(oh->name, 0, oh, NULL, 0, pm_lats, 0, false);
+	if (WARN(IS_ERR(od), "%s: could not build omap_device for %s\n",
+		 __func__, name))
+		return -ENODEV;
+
+	*new_dev = &od->pdev.dev;
+
+	return 0;
+}
+
+/*
+ * Build omap_devices for processors and bus.
+ */
+static void omap2_init_processor_devices(void)
+{
+	_init_omap_device("mpu", &mpu_dev);
+	_init_omap_device("iva", &dsp_dev);
+	_init_omap_device("l3_main", &l3_dev);
+}
+
+static int __init omap2_common_pm_init(void)
+{
+	omap2_init_processor_devices();
+	omap_pm_if_init();
+
+	return 0;
+}
+device_initcall(omap2_common_pm_init);
+